Engler, B. (1985). Personality theories: An introduction (2ª ed.). Houghton Mifflin.
Chicago-čujuhus (17. p.)Engler, Barbara. Personality Theories: An Introduction. 2ª ed. Houghton Mifflin, 1985.
MLA-čujuhus (9. p.)Engler, Barbara. Personality Theories: An Introduction. 2ª ed. Houghton Mifflin, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.